Atomic structure and bonding Flashcards
Where is the electron in an atom
Electron Cloud
Where is the proton in an atom
In the nucleus
Where is the neutron in the atom
In the nucleus
What is the symbol for proton
p
What is the symbol for electron
e
What is the symbol for neutron
n
How is a proton charged?
Positively
How is an electron charged?
Negatively
How is a neutron charged?
neutrally
What is the proton’s relative mass
1
What is the electron’s relative mass
~0
What is the neutron’s relative mass
1
What causes the nucleus to be positively charged
It has protons and neutrons
What causes the electron cloud to be negatively charged
It has electron
What is the atomic number
The number of protons contained in the nucleus
What does the number if protons equal to
The number of electrons
What is the mass number
The number of protons + number of neutrons
What is the number of neutrons
Mass number - atomic number
How is a nuclide notation set out
Mass number
Symbol
Atomic number
Where do alkali metals have to be stored
Under oil
What flame colour is Lithium
Red-Pink
What flame colour is Sodium
Yellow
What flame colour is Potassium
Lilac
What flame colour is Copper
Green-Blue
What group has the most reactive element
Group 1
What is covalent bonding
Electron sharing
What is metallic bonding
Electron sharing
What is ionic bonding
Electron gaining and losing
What elements exist in covalent bonding
Non-metals
What are the four covalent network structures?
Carbon diamond
Carbon graphite
Silicon
Boron
When do you use dot and cross diagrams
Covalent bonding
What are the 7 elements that exist as pairs
Hydrogen
Nitrogen
Oxygen
Bromine
Chlorine
Fluorine
Iodine
How many atoms are in a linear molecule
2
How many atoms are in an angular/bent molecule
3
How many atoms are in a trigonal pyramidal molecule
4
How many atoms are in a tetrahedral molecule
5
How is an ion formed
When a metal loses an electron
What is an ionic bond
Between non-metals and metals
When would you get rid of electrons in an ionic bond
If they end with 1, 2, 3
What is the symbol when you take off electrons in an ionic bond
+
What is the symbol when you add on electrons in an ionic bond
-
A substance can only conduct electricity if…
it has charged particles that are free to move
What is mon
1
What is di
2
What is tri
3
What is tetra
4
What is pent
5
What is hex
6
What is hept
7
What is oct
8
How do we name compounds
SVSDF
Symbol, valency, swap, divide, formula